Frame for a stroller



FIG. 1 is a perspective view of a frame for a stroller showing my new design;

FIG. 2 is a perspective view thereof, the seat structure removed for ease of illustration; and,

FIG. 3 is an enlarged perspective view of the seat structure separated from the stroller frame of FIG. 1 for ease of illustration. 

The ornamental design for a frame for a stroller, as shown and described. 